New "Invite" feature implemented

app/main/controller/mapcontroller.php

@@ -31,38 +31,4 @@ class MapController extends \Controller\AccessController {
          $this->setTemplate('templates/view/index.html');
     }
 
-    /**
-     * function is called on each error
-     * @param $f3
-     */
-    public function showError($f3){
-
-        // set HTTP status
-        if(!empty($f3->get('ERROR.code'))){
-            $f3->status($f3->get('ERROR.code'));
-        }
-
-        if($f3->get('AJAX')){
-            header('Content-type: application/json');
-
-            // error on ajax call
-            $errorData = [
-                'status' => $f3->get('ERROR.status'),
-                'code' => $f3->get('ERROR.code'),
-                'text' => $f3->get('ERROR.text')
-            ];
-
-            // append stack trace for greater debug level
-            if( $f3->get('DEBUG') === 3){
-                $errorData['trace'] = $f3->get('ERROR.trace');
-            }
-
-            echo json_encode($errorData);
-        }else{
-            echo $f3->get('ERROR.text');
-        }
-
-        die();
-    }
-
 }